CN115180701A - Water sample pretreatment device of COD water quality analyzer - Google Patents
Water sample pretreatment device of COD water quality analyzer Download PDFInfo
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- CN115180701A CN115180701A CN202210887247.4A CN202210887247A CN115180701A CN 115180701 A CN115180701 A CN 115180701A CN 202210887247 A CN202210887247 A CN 202210887247A CN 115180701 A CN115180701 A CN 115180701A
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- fixedly connected
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 71
- 238000003756 stirring Methods 0.000 claims abstract description 30
- 239000003814 drug Substances 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 7
- 238000007781 pre-processing Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 abstract description 17
- 230000000694 effects Effects 0.000 abstract description 8
- 239000000126 substance Substances 0.000 abstract description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 4
- 239000001301 oxygen Substances 0.000 abstract description 4
- 229910052760 oxygen Inorganic materials 0.000 abstract description 4
- 239000002244 precipitate Substances 0.000 abstract 1
- YPNVIBVEFVRZPJ-UHFFFAOYSA-L silver sulfate Chemical compound [Ag+].[Ag+].[O-]S([O-])(=O)=O YPNVIBVEFVRZPJ-UHFFFAOYSA-L 0.000 description 16
- 229910000367 silver sulfate Inorganic materials 0.000 description 16
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 12
- 229910052709 silver Inorganic materials 0.000 description 12
- 239000004332 silver Substances 0.000 description 12
- 239000013049 sediment Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000002351 wastewater Substances 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000007800 oxidant agent Substances 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- LPUQAYUQRXPFSQ-DFWYDOINSA-M monosodium L-glutamate Chemical compound [Na+].[O-]C(=O)[C@@H](N)CCC(O)=O LPUQAYUQRXPFSQ-DFWYDOINSA-M 0.000 description 1
- 235000013923 monosodium glutamate Nutrition 0.000 description 1
- 239000004223 monosodium glutamate Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F29/00—Mixers with rotating receptacles
- B01F29/90—Mixers with rotating receptacles with stirrers having planetary motion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
- B01F31/44—Mixers with shaking, oscillating, or vibrating mechanisms with stirrers performing an oscillatory, vibratory or shaking movement
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/38—Diluting, dispersing or mixing samples
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/12—Halogens or halogen-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to the technical field of water sample pretreatment, and discloses a water sample pretreatment device of a COD (chemical oxygen demand) water quality analyzer, which comprises a fixing frame, wherein the inner wall of the top of the fixing frame is movably connected with a connecting shaft, the bottom end of the connecting shaft is fixedly connected with a tank body, the inner wall of the bottom of the fixing frame is fixedly connected with a fixing seat, the top of the fixing seat is fixedly connected with a fixing shaft, one end of the fixing shaft penetrates through the tank body and is fixedly connected with a disc, the inner wall of the circumference of the tank body is fixedly connected with a fixing plate, and the top of the fixing plate is movably connected with a stirring frame. The invention not only can enable the mixture to be mixed more uniformly through the matching use of the spoiler and the auxiliary plate and improve the mixing effect of the device, but also can enable the mixture at the bottom of the tank body to be lifted through the spiral piece and improve the using effect of the device, and can also enable precipitates to be collected in a centralized manner through the matching use of the scraper and the annular box and improve the collecting effect of the device.
Description
Technical Field
The invention relates to the technical field of water sample pretreatment, in particular to a water sample pretreatment device of a COD (chemical oxygen demand) water quality analyzer.
Background
COD is an indispensable project in water quality monitoring, the meaning of the COD refers to the amount of oxidant consumed when a water sample is treated by a strong oxidant under a certain condition, the amount is expressed by mg/L of oxygen, the chemical oxygen demand reflects the degree of pollution of reducing substances in the water, in the detection and analysis process, chloride ions in the water sample are easily oxidized by the oxidant, a large amount of chloride ions enable the determination result to be higher, the determination of high-chlorine low-COD wastewater is a more difficult problem at present, and the actual monitoring finds that the content of chloride ions in a plurality of types of wastewater, such as chemical wastewater, monosodium glutamate wastewater, marine product processing wastewater and the like, is very high.
Therefore, before the COD analyzer analyzes, water needs to be pretreated, at present, silver sulfate is usually added into a water sample for mixing reaction, so that chloride ions are removed, and during mixing, a single stirring rod is usually adopted for stirring and mixing, so that the mixing reaction of the silver sulfate and the water sample is not thorough, and therefore, the water sample pretreatment device of the COD water quality analyzer is very necessary.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a water sample pretreatment device of a COD water quality analyzer, which mainly solves the problem that the mixing reaction of silver sulfate and a water sample is not complete due to the fact that a single stirring rod is usually adopted for stirring and mixing during mixing.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a COD water quality analyzer water sample preprocessing device, includes the mount, the top inner wall swing joint of mount has the connecting axle, the bottom fixedly connected with jar body of connecting axle, the bottom inner wall fixedly connected with fixing base of mount, the top fixedly connected with fixed axle of fixing base, and the one end of fixed axle passes jar body and fixedly connected with disc, the circumference inner wall fixedly connected with fixed plate of the jar body, the top swing joint of fixed plate has the stirring frame, the top fixedly connected with gyro wheel of stirring frame, and the gyro wheel contacts with the disc, the top swing joint of fixed plate has the axis of rotation, one side fixedly connected with spoiler of axis of rotation, one side fixedly connected with atress frame of axis of rotation, two auxiliary rods of one side fixedly connected with of stirring frame, and auxiliary rod and atress frame contactable, the bottom swing joint of axis of rotation has first torsion spring, and the both ends of first torsion spring are fixed with axis of rotation and fixed plate respectively, the circumference inner wall fixedly connected with a plurality of auxiliary plates of jar body, the top outer wall fixedly connected with motor of mount, and the one end of motor output shaft pass and be fixed with the connecting axle.
Furthermore, one side of the stirring frame is fixedly connected with a spiral sheet, and one side of each auxiliary plate is provided with a plurality of splitter boxes.
On the basis of the scheme, a plurality of bin outlets have been seted up to the bottom of the jar body, the bottom outer wall fixedly connected with ring box of the jar body, the first discharging pipe of bottom fixedly connected with of ring box, one side fixedly connected with scraper blade of fixed axle, and the scraper blade contacts with the jar body, the cambered surface has been seted up to one side of scraper blade.
As a further scheme of the invention, a plurality of anti-skid grains are arranged on the outer side of the circumference of the roller wheel, and the anti-skid grains are uniformly distributed.
Furthermore, an observation port is formed in one side of the tank body, and an observation window is fixedly connected in the observation port.
On the basis of the scheme, the bottom outer wall of the tank body is fixedly connected with a sealing gasket, the sealing gasket is in contact with the fixed shaft, the top of the fixed seat is provided with a mounting groove, a steel ball is movably connected in the mounting groove, and the steel ball is in contact with the tank body.
As a further scheme of the invention, the top of the tank body is fixedly connected with a first feeding pipe and a second feeding pipe, and one side of the tank body is fixedly connected with a second discharging pipe.
Furthermore, the outer wall of the bottom of the fixing frame is fixedly connected with a rubber pad, and a plurality of fixing holes are formed in the bottom of the fixing frame.
On the basis of aforementioned scheme, still include the medicinal cupping, the medicinal cupping passes through the bolt fastening at the top inner wall of the jar body, the medicinal cupping is linked together with the second inlet pipe, the bottom fixedly connected with unloading pipe of medicinal cupping, the inside small opening that has seted up of unloading pipe, one side swing joint of the top inner wall fixedly connected with dead lever of the jar body, one side swing joint of dead lever has the rotor plate, one side fixedly connected with baffle of rotor plate, and the baffle can contact with unloading pipe, one side swing joint of dead lever has the torsional spring, and the both ends of torsional spring are fixed mutually with dead lever and rotor plate respectively, the bottom fixedly connected with driving lever of disc, and the driving lever can contact with the rotor plate.
(III) advantageous effects
Compared with the prior art, the invention provides a water sample pretreatment device of a COD water quality analyzer, which has the following beneficial effects:
1. use through the cooperation of spoiler and accessory plate, add a water sample and a proper amount silver sulfate into jar body, then the motor rotates and makes the connecting axle drive jar body clockwise rotation to make jar internal mixture obtain tentatively stirring through the accessory plate, make the spoiler horizontal hunting through stirring frame, gyro wheel, disc and first torsional spring simultaneously, and then make the spoiler carry out the vortex to jar internal mixture, thereby make the mixture mix more even, improved the mixed effect of device.
2. Through the setting at the stirring frame installation flight, the stirring frame rotates and drives the flight rotation, and the flight rotates the mixture that makes jar body bottom and obtains the lifting, avoids appearing mixing incomplete condition appearance, has improved the result of use of device.
3. Through the cooperation use at scraper blade and ring box, jar body rotates and makes the sediment of scraper blade to jar body bottom inner wall strike off to the sediment that makes the scraping off through the cambered surface enters into the ring box through the bin outlet under the action of gravity, thereby makes the sediment obtain concentrating and collects, has improved the collection effect of device.
4. Through the arrangement of the anti-skidding lines on the roller, the anti-skidding lines can increase the friction force between the roller and the disc, so that the phenomenon of skidding between the roller and the disc is avoided, and the anti-skidding effect of the device is improved.
5. Through the setting of installation steel ball on the fixing base, the steel ball can carry out the auxiliary stay to the jar body, avoids jar body to rotate the back for a long time, and the condition of bending deformation appears in the connecting axle, has improved the support effect of device.
Drawings
FIG. 1 is a schematic front side perspective view of a water sample pretreatment device of a COD water quality analyzer in accordance with an embodiment 1 of the present invention;
FIG. 2 is a schematic view of the lower side of a water sample pretreatment device of a COD water quality analyzer in accordance with an embodiment 1 of the present invention;
FIG. 3 is a schematic diagram of the rear side three-dimensional structure of a water sample pretreatment device of a COD water quality analyzer in embodiment 1 of the present invention;
FIG. 4 is a schematic view of the internal structure of a water sample pretreatment device 1 of a COD water quality analyzer according to the present invention;
FIG. 5 is a schematic view of a cross-sectional structure of a tank in embodiment 1 of a water sample pretreatment device for a COD water quality analyzer according to the present invention;
FIG. 6 is a schematic view of a partial cross-sectional structure of a water sample pretreatment device of a COD water quality analyzer in accordance with an embodiment 2 of the present invention;
fig. 7 is a schematic sectional structural view of a baffle plate of a water sample pretreatment device of a COD water quality analyzer in embodiment 2 of the present invention.
In the figure: 1. a first feed pipe; 2. a second feed tube; 3. a tank body; 4. a fixing hole; 5. a fixed seat; 6. a rubber pad; 7. an observation window; 8. a fixed mount; 9. a connecting shaft; 10. a ring-shaped case; 11. a first discharge pipe; 12. a disc; 13. a fixed shaft; 14. a discharge outlet; 15. a splitter box; 16. an auxiliary plate; 17. steel balls; 18. a gasket; 19. mounting grooves; 20. a fixing plate; 21. a squeegee; 22. a cambered surface; 23. a first torsion spring; 24. a rotating shaft; 25. a spoiler; 26. a spiral sheet; 27. a stress frame; 28. an auxiliary lever; 29. a stirring frame; 30. anti-skid lines; 31. a roller; 32. a second discharge pipe; 33. fixing the rod; 34. a medicine tank; 35. a baffle plate; 36. a deflector rod; 37. a rotating plate; 38. a discharging pipe; 39. a leak hole; 40. a second torsion spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1 to 5, a water sample pretreatment device of a COD water quality analyzer comprises a fixing frame 8, wherein the inner wall of the top of the fixing frame 8 is rotatably connected with a connecting shaft 9, the bottom end of the connecting shaft 9 is fixed with a tank body 3 through a bolt, the inner wall of the bottom of the fixing frame 8 is fixed with a fixing seat 5 through a bolt, the top of the fixing seat 5 is fixed with a fixing shaft 13 through a bolt, one end of the fixing shaft 13 penetrates through the tank body 3 and is fixed with a disc 12 through a bolt, the inner wall of the circumference of the tank body 3 is fixed with a fixing plate 20 through a bolt, the top of the fixing plate 20 is rotatably connected with a stirring frame 29, the top of the stirring frame 29 is fixed with a roller 31 through a bolt, the roller 31 is contacted with the disc 12, the top of the fixing plate 20 is rotatably connected with a rotating shaft 24, one side of the rotating shaft 24 is fixed with a spoiler 25 through a bolt, one side of the rotating shaft 24 is fixed with a stress frame 27 through a bolt, two auxiliary rods 28 are fixed on one side of a stirring frame 29 through bolts, the auxiliary rods 28 can contact with a stress frame 27, a first torsion spring 23 is sleeved on the bottom of a rotating shaft 24, two ends of the first torsion spring 23 are respectively fixed with the rotating shaft 24 and a fixing plate 20, a plurality of auxiliary plates 16 are fixed on the circumferential inner wall of a tank body 3 through bolts, a motor is fixed on the outer wall of the top of a fixing frame 8 through bolts, one end of an output shaft of the motor penetrates through the fixing frame 8 and is fixed with a connecting shaft 9, when a water sample needs to be pretreated, the water sample is firstly added into the tank body 3, then a proper amount of silver sulfate is added, then the motor is started, the connecting shaft 9 drives the tank body 3 to rotate clockwise, the tank body 3 rotates to drive the auxiliary plates 16 to rotate, so that a mixture in the tank body 3 is primarily stirred through the auxiliary plates 16, and simultaneously, the tank body 3 rotates to drive the fixing plate 20 to rotate clockwise, the fixed plate 20 rotates to make the stirring rack 29 drive the roller 31 to rotate along the disc 12, so that the roller 31 rotates by friction force, thereby making the stirring rack 29 rotate and rotate simultaneously, meanwhile, the stirring rack 29 rotates to drive the auxiliary rod 28 to rotate, when the auxiliary rod 28 rotates to be contacted with the stress rack 27, the stress rack 27 is forced to make the rotating shaft 24 drive the spoiler 25 to rotate, the rotating shaft 24 rotates to make the first torsion spring 23 deform under stress and generate torsion, when the auxiliary rod 28 rotates to be separated from the contact with the stress rack 27, the first torsion spring 23 rebounds to reset to make the rotating shaft 24 drive the spoiler 25 to reversely rotate and reset, so that the reciprocating circulation is performed, the spoiler 25 swings left and right, and then the spoiler 25 performs turbulence on the mixture in the tank 3, thereby making the mixture mixed more uniform.
Particularly, in the present invention, the helical fins 26 are fixed on one side of the stirring frame 29 through bolts, and at the same time, the helical fins 26 are driven by the rotation of the stirring frame 29, so that the mixture at the bottom of the tank 3 is lifted by the rotation of the helical fins 26, thereby avoiding the occurrence of the situation of incomplete mixing, and a plurality of splitter boxes 15 are respectively arranged on one side of each of the plurality of auxiliary plates 16, and the splitter boxes 15 can split the mixture.
It should be noted that a plurality of material outlets 14 are formed at the bottom of the tank 3, an annular box 10 is fixed on the outer wall of the bottom of the tank 3 through bolts, a first material outlet 11 is fixed at the bottom of the annular box 10 through bolts, a scraper 21 is fixed on one side of the fixed shaft 13 through bolts, the scraper 21 contacts with the tank 3, an arc surface 22 is formed on one side of the scraper 21, meanwhile, the tank 3 rotates to scrape the sediment on the inner wall of the bottom of the tank 3 by the scraper 21, and the scraped sediment enters the annular box 10 through the material outlets 14 under the action of gravity by the arc surface 22, so that the sediment is collected in a concentrated manner, a plurality of anti-slip lines 30 are formed on the outer side of the circumference of the roller 31, the anti-slip lines 30 are uniformly distributed, the anti-slip lines 30 can increase the friction force between the roller 31 and the disc 12, thereby avoiding the phenomenon of slipping between the roller 31 and the disc 12, an observation port is formed on one side of the tank 3, an observation window 7 is fixed in the observation hole through a bolt, the observation window 7 can facilitate a worker to observe a mixture in the tank body 3, a sealing gasket 18 is bonded on the outer wall of the bottom of the tank body 3, the sealing gasket 18 is in contact with the fixed shaft 13, the sealing gasket 18 can prevent the contact part of the tank body 3 of the fixed shaft 13 from leaking, a mounting groove 19 is formed in the top of the fixing seat 5, a steel ball 17 is rotatably connected in the mounting groove 19, the steel ball 17 is in contact with the tank body 3, the steel ball 17 can assist in supporting the tank body 3, the situation that the connecting shaft 9 is bent and deformed after the tank body 3 rotates for a long time is avoided, a first feeding pipe 1 and a second feeding pipe 2 are fixed on the top of the tank body 3 through bolts, a second discharging pipe 32 is fixed on one side of the tank body 3 through bolts, a rubber pad 6 is bonded on the outer wall of the bottom of the fixing frame 8, and the rubber pad 6 can enable the fixing frame 8 to be attached to a workbench more tightly, a plurality of fixed orificess 4 have been seted up to the bottom of mount 8, and fixed orifices 4 can make things convenient for the staff to install fixed to mount 8.
The working principle of the embodiment is as follows: when a water sample needs to be pretreated, the water sample is firstly added into the tank 3 from the first feeding pipe 1, then a proper amount of silver sulfate is added into the tank from the second feeding pipe 2, then the motor is started, the motor rotates to enable the connecting shaft 9 to drive the tank 3 to rotate clockwise, the tank 3 rotates to drive the auxiliary plate 16 to rotate, so that the mixture in the tank 3 is primarily stirred through the auxiliary plate 16, meanwhile, the tank 3 rotates to drive the fixing plate 20 to rotate clockwise, the fixing plate 20 rotates to enable the stirring frame 29 to drive the roller 31 to rotate along the disc 12, so that the roller 31 rotates through friction, the stirring frame 29 rotates and rotates simultaneously, meanwhile, the stirring frame 29 rotates to drive the auxiliary rod 28, when the auxiliary rod 28 rotates to be in contact with the stress frame 27, the stress frame 27 is stressed to enable the rotating shaft 24 to drive the spoiler 25 to rotate, the rotating shaft 24 rotates to enable the first torsion spring 23 to deform under the stress and generate torsion, when the auxiliary rod 28 rotates to be separated from the stress frame 27, the first torsion spring 23 resets to enable the rotating shaft 24 to drive the spoiler 25 to rotate reversely, so that the spoiler 25 reciprocates left and right, so that the mixture in the tank 3 does not rotate simultaneously, and the mixture is uniformly stirred and the mixture in the stirring frame 26 is prevented from rotating.
Example 2
Referring to fig. 6-7, a water sample pretreatment device for a COD water quality analyzer, further comprising a medicine tank 34, the medicine tank 34 is fixed on the inner wall of the top of the tank 3 by bolts, the medicine tank 34 is communicated with the second feeding tube 2, a blanking tube 38 is fixed on the bottom of the medicine tank 34 by bolts, a hole 39 is formed in the blanking tube 38, a fixing rod 33 is fixed on the inner wall of the top of the tank 3 by bolts, a rotating plate 37 is rotatably connected to one side of the fixing rod 33, a baffle 35 is fixed on one side of the rotating plate 37 by bolts, the baffle 35 can contact with the blanking tube 38, a torsion spring 40 is sleeved on one side of the fixing rod 33, two ends of the torsion spring 40 are respectively fixed to the fixing rod 33 and the rotating plate 37, a shift lever 36 is fixed on the bottom of the disc 12 by bolts, the shift lever 36 and the rotating plate 37 are connected to one side of the rotating plate 37, when intermittent silver sulfate addition is required, silver sulfate is firstly added from the second feeding tube 2, then silver sulfate flows into the medicine tank 34, the disc 12 rotates to drive the shift lever 36 to rotate, and the rotating plate 37 to enable the second silver sulfate to be separated from the rotating plate 37, and the rotating plate 37, thereby enabling the silver sample to be reset, the rotating plate 35 to be reset, and the silver sample in the second silver leaking from the rotating plate 35, and the rotating plate 35, thereby enabling the silver leaking from the rotating plate to react, and the silver leaking from the second silver leaking tank, and the blanking tube 35, and enabling the silver leaking from the blanking hole to be reset, and enabling the rotating plate 35 to be reset, and enabling the silver leaking from the rotating plate 35 to be reset, and the rotating plate 35 to enable the water sample to be reset, and the silver leaking from the water sample to be reset, thereby enabling the silver leakage hole to be reset, and enabling the water sample to be reset, and enabling the silver leakage to be reset, and the silver leakage to be completely.
The working principle of the embodiment is as follows: when silver sulfate needs to be added intermittently, silver sulfate is added from the second feeding pipe 2 firstly, then the silver sulfate flows into the medicine tank 34, meanwhile, the disc 12 rotates to drive the shifting lever 36 to rotate, when the shifting lever 36 rotates to be in contact with the rotating plate 37, the rotating plate 37 rotates to drive the baffle 35 to rotate, the rotating plate 37 rotates to enable the second torsion spring 40 to be stressed and deformed and generate torsion, the baffle 35 is enabled to be separated from the leakage hole 39 to be closed, silver sulfate in the medicine tank 34 leaks out from the leakage hole 39, when the shifting lever 36 is separated from the contact with the rotating plate 37, the second torsion spring 40 rebounds to reset, the rotating plate 37 drives the baffle 35 to reversely rotate to reset, the baffle 35 and the leakage hole 39 are enabled to be closed again, intermittent blanking of the silver sulfate is achieved, and further, the water sample in the tank body 3 is enabled to react with the silver sulfate more thoroughly.
The electrical components in the document are electrically connected with an external master controller and 220V mains supply, and the master controller can be a computer or other conventional known devices for playing a role in control.
In the description herein, it is noted that relational terms such as first and second, and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a COD water quality analyzer water sample preprocessing device, includes mount (8), characterized in that, the top inner wall swing joint of mount (8) has connecting axle (9), the bottom fixedly connected with jar body (3) of connecting axle (9), the bottom inner wall fixedly connected with fixing base (5) of mount (8), the top fixedly connected with fixed axle (13) of fixing base (5), the one end of fixed axle (13) passes jar body (3) and fixedly connected with disc (12), the circumference inner wall fixedly connected with fixed plate (20) of jar body (3), the top swing joint of fixed plate (20) has stirring frame (29), the top fixedly connected with gyro wheel (31) of stirring frame (29), and gyro wheel (31) contact with disc (12), the top swing joint of fixed plate (20) has axis of rotation (24), one side fixedly connected with spoiler (25) of axis of rotation (24), one side fixedly connected with atress frame (27) of axis of rotation (24), one side fixedly connected with two auxiliary rod (28) of stirring frame (29), and auxiliary rod (28) and rotation axis (27) and torsion spring (23) and the bottom fixedly connected with a torsion spring (23) respectively and fixed plate (23), the inner wall of the circumference of the tank body (3) is fixedly connected with a plurality of auxiliary plates (16), the outer wall of the top of the fixing frame (8) is fixedly connected with a motor, and one end of an output shaft of the motor penetrates through the fixing frame (8) and is fixed with the connecting shaft (9).
2. The water sample pretreatment device for the COD water quality analyzer according to claim 1, wherein a helical plate (26) is fixedly connected to one side of the stirring rack (29), and a plurality of flow dividing grooves (15) are formed in one side of each of the auxiliary plates (16).
3. The water sample pretreatment device of the COD water quality analyzer according to claim 1, wherein a plurality of discharge ports (14) are formed in the bottom of the tank body (3), a ring-shaped box (10) is fixedly connected to the outer wall of the bottom of the tank body (3), a first discharge pipe (11) is fixedly connected to the bottom of the ring-shaped box (10), a scraper (21) is fixedly connected to one side of the fixed shaft (13), the scraper (21) is in contact with the tank body (3), and an arc surface (22) is formed in one side of the scraper (21).
4. The water sample pretreatment device of the COD water quality analyzer according to claim 1, wherein a plurality of anti-skid grains (30) are arranged on the outer side of the circumference of the roller (31), and the anti-skid grains (30) are uniformly distributed.
5. The water sample pretreatment device of the COD water quality analyzer according to claim 3, wherein an observation port is formed in one side of the tank body (3), and an observation window (7) is fixedly connected in the observation port.
6. The water sample pretreatment device for the COD water quality analyzer according to claim 1, wherein a sealing gasket (18) is fixedly connected to the outer wall of the bottom of the tank body (3), the sealing gasket (18) is in contact with the fixed shaft (13), a mounting groove (19) is formed in the top of the fixed seat (5), a steel ball (17) is movably connected into the mounting groove (19), and the steel ball (17) is in contact with the tank body (3).
7. The water sample pretreatment device for the COD water quality analyzer according to claim 6, wherein a first feeding pipe (1) and a second feeding pipe (2) are fixedly connected to the top of the tank body (3), and a second discharging pipe (32) is fixedly connected to one side of the tank body (3).
8. The water sample pretreatment device of the COD water quality analyzer according to claim 1, wherein a rubber pad (6) is fixedly connected to the outer wall of the bottom of the fixing frame (8), and a plurality of fixing holes (4) are formed in the bottom of the fixing frame (8).
9. The water sample pretreatment device for the COD water quality analyzer according to claim 7, further comprising a medicine tank (34), wherein the medicine tank (34) is fixed on the inner wall of the top of the tank body (3) through a bolt, the medicine tank (34) is communicated with the second feeding pipe (2), the bottom of the medicine tank (34) is fixedly connected with a discharging pipe (38), a leak hole (39) is formed in the discharging pipe (38), the inner wall of the top of the tank body (3) is fixedly connected with a fixing rod (33), one side of the fixing rod (33) is movably connected with a rotating plate (37), one side of the rotating plate (37) is fixedly connected with a baffle (35), the baffle (35) can be in contact with the discharging pipe (38), one side of the fixing rod (33) is movably connected with a torsion spring (40), two ends of the torsion spring (40) are respectively fixed with the fixing rod (33) and the rotating plate (37), the bottom of the disc (12) is fixedly connected with a shifting lever (36), and the shifting lever (36) can be in contact with the rotating plate (37).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210887247.4A CN115180701A (en) | 2022-07-26 | 2022-07-26 | Water sample pretreatment device of COD water quality analyzer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210887247.4A CN115180701A (en) | 2022-07-26 | 2022-07-26 | Water sample pretreatment device of COD water quality analyzer |
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| CN115180701A true CN115180701A (en) | 2022-10-14 |
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| CN202210887247.4A Pending CN115180701A (en) | 2022-07-26 | 2022-07-26 | Water sample pretreatment device of COD water quality analyzer |
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